ELCAN mounting assemblies are commercially available to O.E.M. producers of optical and electro-optical sighting systems or wherever a mil-spec attachment and zeroing mechanism is required. All ELCAN Mount assemblies attach directly to MIL-STD-1913 rails or receivers. The mount incorporates generous elevation and azimuth adjustment and is produced in ballistic calibrations for 5.56 NATO, 7.62 NATO and .50 BMG. Custom ballistic compensation is available for special production runs. mount assemblies, when installed on a weapon sight are designed to withstand a drop of 1.5m onto concrete while attached to an 8kg weapon.